chess is neither only tactics nor only calculation. chess is full strategy . after placing pieces based on strategy you would able to deploy your tactics . if pieces are not in placed properly you won't deploy your tactical ideas. i guess so. after deploying strategic plan they deploy tactics and calculate maneuvers. possibly that would be a reason if a players rated 1600 + in tactics may or may not rated same in real games . in real games you have to create such pattern or tactics where you can apply your tactics.
chess is neither only tactics nor only calculation. chess is full strategy . after placing pieces based on strategy you would able to deploy your tactics . if pieces are not in placed properly you won't deploy your tactical ideas. i guess so. after deploying strategic plan they deploy tactics and calculate maneuvers. possibly that would be a reason if a players rated 1600 + in tactics may or may not rated same in real games . in real games you have to create such pattern or tactics where you can apply your tactics.